| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Deltech PS Grade 130 | Deltech Polymers Corporation | PS (GPPS) | Deltech PS |
| Deltech PS Grade 120 | Deltech Polymers Corporation | PS (GPPS) | Deltech PS |
| Deltech PS Grade 140 | Deltech Polymers Corporation | PS (GPPS) | Deltech PS |